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Journal article

Geostatistical Evaluation of the Mechanical Properties of Rock Mass for TBM Tunnelling by Seismic Reflection Method

By Aoki, K.; Mito, Y.; Yamamoto, T.; Shirasagi, S.

The evaluation of the rock mass mechanical properties by the seismic reflection method and TBM driving is proposed for TBM tunnelling. The relationship between the reflection number derived from the three-dimensional seismic reflection method and the rock strength index (RSI) derived from TBM driving data is examined, and the methodology of conversion from the reflection number to the RSI is proposed.

Furthermore a geostatistical prediction methodology to provide a three-dimensional geotechnical profile ahead of the tunnel face is proposed. The performance of this prediction method is verified by actual field data.

Language: English
Publisher: Springer-Verlag
Year: 2006
Pages: 591-602
ISSN: 1434453x and 07232632
Types: Journal article
DOI: 10.1007/s00603-006-0121-8
Keywords

Civil Engineering Geophysics/Geodesy Geosciences Keywords: TBM tunnelling method, seismic reflection method, TBM driving data, rock strength index, geostatistics.

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